MEASUREMENTS OF THE THERMAL-CONDUCTIVITY OF LIQUID R32, R124, R125, AND R141B

被引:38
作者
ASSAEL, MJ
KARAGIANNIDIS, L
机构
[1] Faculty of Chemical Engineering, Aristotle University, Thessaloniki
关键词
HIGH REFRIGERANTS; R32; R124; R125; R141B; THERMAL CONDUCTIVITY; TRANSIENT HOT-WIRE TECHNIQUE;
D O I
10.1007/BF02093468
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper reports measurements of the thermal conductivity of refrigerants R32, R124, R125, and R141b in the liquid phase. The measurements, covering a temperature range from 253 to 334 K and pressure up to 20 MPa, have been performed in a transient hotwire instrument employing two anodized tantalum wires. The uncertainty of the present thermal-conductivity data is estimated to be +/- 0.5%. The experimental data have been represented by polynomial functions of temperature and pressure for the purposes of interpolation. A comparison with other recent measurements is also included.
引用
收藏
页码:851 / 865
页数:15
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